Ripple marks
In geology, ripple marks are sedimentary structures (i.e. bedforms of the lower flow regime) and indicate agitation by water (current or waves) or wind.
ripple mark
英汉-汉英词典
n. 波痕
词组 | 习惯用语
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catenary ripple mark 悬链状波痕
aeolian ripple marks 风成波痕
interference ripple mark 干涉波痕
backwash ripple mark 回流波痕
accretion ripple mark 加积波痕
ripple mark [地质] 波痕
ripple marks [地质] 波痕；波纹
linguoid ripple mark 舌形波痕，舌状波痕
starved ripple mark 不完全波痕
英语百科
近义、反义、联想词
近义词
n.ridge
英英词典
ripple mark n.
- one of a series of small ridges produced in sand by water currents or by wind
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